Home / 47,991,028.80-71,986,543.20-12,089,236.80

Finding the Fourth Proportional to 47,991,028.80, 71,986,543.20 and 12,089,236.80

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Solution

The fourth proportional to 47,991,028.80, 71,986,543.20 and 12,089,236.80 is: 18,133,855.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    47,991,028.80 : 71,986,543.20 = 12,089,236.80 : x
  2. Step 2: Convert to fraction form
    47,991,028.80/71,986,543.20 = 12,089,236.80/x
  3. Step 3: Cross multiply
    47,991,028.80x = 71,986,543.20 × 12,089,236.80
  4. Step 4: Simplify right side
    47,991,028.80x = 870,262,367,158,229.88
  5. Step 5: Solve for x
    x = 870,262,367,158,229.88/47,991,028.80
  6. Step 6: Final answer
    x = 18,133,855.20

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.